Zoology NEET: Classification of Animals
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Zoology NEET: Classification of Animals

Test your knowledge on the classification of animals, including Kingdom Animalia and Phylum Chordata, covering characteristics, growth, and reproduction. Prepare for your NEET exams!

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@GreatestPiccoloTrumpet

Questions and Answers

What is the characteristic feature of the kingdom Animalia?

Heterotrophic

Which of the following characteristics is not present in the phylum Chordata?

Exoskeleton

Which phylum includes insects, arachnids, and crustaceans?

Arthropoda

What is the primary function of the nervous system in the human body?

<p>Coordination and control of body functions</p> Signup and view all the answers

Which system is responsible for transporting oxygen and nutrients to the body's cells?

<p>Circulatory System</p> Signup and view all the answers

What is the primary mechanism of evolution, according to Charles Darwin's theory?

<p>Natural selection</p> Signup and view all the answers

Which of the following is evidence for evolution?

<p>All of the above</p> Signup and view all the answers

What is the characteristic feature of the phylum Mollusca?

<p>Soft, unsegmented body</p> Signup and view all the answers

Which of the following classes is not included in the phylum Chordata?

<p>Crustacea</p> Signup and view all the answers

What is the primary function of the respiratory system in the human body?

<p>Exchange of oxygen and carbon dioxide</p> Signup and view all the answers

Study Notes

Zoology NEET

Classification of Animals

  • Kingdom Animalia: multicellular, eukaryotic, heterotrophic
  • Characteristics:
    • Movement: voluntary or involuntary
    • Nutrition: heterotrophic
    • Body structure: multicellular
    • Growth: growth and development
    • Reproduction: sexual or asexual

Phylum Chordata

  • Characteristics:
    • Notochord (flexible rod-like structure) present at some stage
    • Dorsal hollow nerve cord
    • Pharyngeal slits
    • Post-anal tail
  • Classes:
    • Pisces (fish)
    • Amphibia (amphibians)
    • Reptilia (reptiles)
    • Aves (birds)
    • Mammalia (mammals)

Phylum Arthropoda

  • Characteristics:
    • Jointed legs
    • Exoskeleton
    • Segmented body
  • Classes:
    • Crustacea (crustaceans)
    • Arachnida (arachnids)
    • Insecta (insects)

Phylum Mollusca

  • Characteristics:
    • Soft, unsegmented body
    • Calcareous shell
    • Foot, head, and visceral mass
  • Classes:
    • Gastropoda (snails and slugs)
    • Pelecypoda (bivalves)
    • Cephalopoda (cephalopods)

Human Body Systems

  • Nervous System:
    • Central nervous system (CNS): brain and spinal cord
    • Peripheral nervous system (PNS): nerves
  • Circulatory System:
    • Heart: pumps blood
    • Blood vessels: arteries, veins, capillaries
    • Blood: transports oxygen and nutrients
  • Respiratory System:
    • Lungs: exchange oxygen and carbon dioxide
    • Trachea: air passage
    • Bronchi: air tubes
  • Digestive System:
    • Mouth: ingestion
    • Esophagus: food passage
    • Stomach: digestion
    • Small intestine: nutrient absorption
    • Large intestine: water absorption

Evolution

  • Charles Darwin's theory of evolution
    • Variation: differences in characteristics
    • Heredity: passing of traits from parents to offspring
    • Adaptation: changes in response to environment
    • Natural selection: survival of fittest
  • Evidence for evolution:
    • Fossil record
    • Comparative anatomy
    • Molecular biology
    • Biogeography

Classification of Animals

  • Kingdom Animalia characteristics:
    • Multicellular, eukaryotic, and heterotrophic
    • Movement can be voluntary or involuntary
    • Nutrition is heterotrophic
    • Body structure is multicellular
    • Growth and development occur
    • Reproduction can be sexual or asexual

Phylum Chordata

  • Characteristics:
    • Notochord (flexible rod-like structure) present at some stage
    • Dorsal hollow nerve cord
    • Pharyngeal slits
    • Post-anal tail
  • Classes:
    • Pisces (fish)
    • Amphibia (amphibians)
    • Reptilia (reptiles)
    • Aves (birds)
    • Mammalia (mammals)

Phylum Arthropoda

  • Characteristics:
    • Jointed legs
    • Exoskeleton
    • Segmented body
  • Classes:
    • Crustacea (crustaceans)
    • Arachnida (arachnids)
    • Insecta (insects)

Phylum Mollusca

  • Characteristics:
    • Soft, unsegmented body
    • Calcareous shell
    • Foot, head, and visceral mass
  • Classes:
    • Gastropoda (snails and slugs)
    • Pelecypoda (bivalves)
    • Cephalopoda (cephalopods)

Human Body Systems

Nervous System

  • Central nervous system (CNS): brain and spinal cord
  • Peripheral nervous system (PNS): nerves

Circulatory System

  • Heart: pumps blood
  • Blood vessels: arteries, veins, capillaries
  • Blood: transports oxygen and nutrients

Respiratory System

  • Lungs: exchange oxygen and carbon dioxide
  • Trachea: air passage
  • Bronchi: air tubes

Digestive System

  • Mouth: ingestion
  • Esophagus: food passage
  • Stomach: digestion
  • Small intestine: nutrient absorption
  • Large intestine: water absorption

Evolution

  • Charles Darwin's theory of evolution:
    • Variation: differences in characteristics
    • Heredity: passing of traits from parents to offspring
    • Adaptation: changes in response to environment
    • Natural selection: survival of fittest
  • Evidence for evolution:
    • Fossil record
    • Comparative anatomy
    • Molecular biology
    • Biogeography

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